Business Segments - (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 01, 2023	Jan. 02, 2022
Segment Reporting Information [Line Items]
Net sales	$ 920,227	$ 844,006	$ 2,718,635	$ 2,450,294
Operating earnings by segment	78,530	51,165	182,928	161,759
Inventory adjustment relating to exit activities - Motive Power	863	0	(681)	(960)
Restructuring charges	801	2,472	12,394	13,161
Energy Systems | Americas
Segment Reporting Information [Line Items]
Net sales	434,310	385,242	1,279,913	1,126,287
Operating earnings by segment	20,623	3,542	38,836	11,777
Restructuring charges	158	682	1,097	1,331
Energy Systems | EMEA
Segment Reporting Information [Line Items]
Inventory adjustment relating to exit activities - Motive Power	211	0	211	0
Motive Power | EMEA
Segment Reporting Information [Line Items]
Net sales	361,788	339,510	1,067,632	996,313
Operating earnings by segment	46,969	39,030	128,936	130,660
Inventory adjustment relating to exit activities - Motive Power	652	0	(892)	(960)
Restructuring charges	650	1,679	11,304	12,888
Specialty | Asia
Segment Reporting Information [Line Items]
Net sales	124,129	119,254	371,090	327,694
Operating earnings by segment	10,876	11,065	28,231	33,443
Restructuring charges	$ 7	$ (111)	$ 7	$ 1,058